aku_new_community/lib/ui/community/notice/notice_card.dart

import 'package:flutter/material.dart';

import 'package:flustars/flustars.dart';
import 'package:get/get.dart';
import 'package:velocity_x/velocity_x.dart';

import 'package:akuCommunity/const/resource.dart';
import 'package:akuCommunity/constants/api.dart';
import 'package:akuCommunity/model/community/board_model.dart';
import 'package:akuCommunity/ui/community/notice/notice_detail_page.dart';
import 'package:akuCommunity/utils/headers.dart';
import 'package:akuCommunity/widget/picker/bee_image_preview.dart';

class NoticeCard extends StatelessWidget {
  final BoardItemModel model;
  final BoardItemModel preModel;
  const NoticeCard({
    Key key,
    @required this.model,
    @required this.preModel,
  }) : super(key: key);

  bool get sameDay =>
      model.releaseDate.year == (preModel?.releaseDate?.year ?? 0) &&
      model.releaseDate.month == (preModel?.releaseDate?.month ?? 0) &&
      model.releaseDate.day == (preModel?.releaseDate?.day ?? 0);

  bool get isYesterday {
    DateTime now = DateTime.now();
    DateTime yestoday = DateTime(now.year, now.month, now.day - 1);
    return yestoday.year == model.releaseDate.year &&
        yestoday.month == model.releaseDate.month &&
        yestoday.day == model.releaseDate.day;
  }

  bool get isFirst => preModel == null;

  bool get notSameYear =>
      model.releaseDate.year != (preModel?.releaseDate?.year ?? 0);

  Widget title() {
    if (DateUtil.isToday(model.releaseDate.millisecond))
      return '今天'.text.size(52.sp).bold.make();
    if (isYesterday)
      return '昨天'.text.size(52.sp).bold.make();
    else
      return Row(
        mainAxisSize: MainAxisSize.min,
        children: [
          model.releaseDate.day.toString().text.size(52.sp).bold.make(),
          '${model.releaseDate.month}月'.text.size(36.sp).make(),
        ],
      );
  }

  @override
  Widget build(BuildContext context) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      mainAxisSize: MainAxisSize.min,
      children: [
        (notSameYear && model.releaseDate.year != DateTime.now().year)
            ? '${model.releaseDate.year}年'
                .text
                .bold
                .size(52.sp)
                .make()
                .paddingOnly(left: 32.w, top: isFirst ? 0 : 64.w, bottom: 32.w)
            : SizedBox(),
        MaterialButton(
          onPressed: () {
            Get.to(NoticeDetailPage(id: model.id));
          },
          child: Row(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Container(
                width: 200.w,
                padding: EdgeInsets.only(left: 32.w),
                alignment: Alignment.topLeft,
                child: sameDay ? SizedBox() : title(),
              ),
              model.imgUrls.length == 0
                  ? SizedBox(height: 152.w)
                  : GestureDetector(
                      onTap: () {
                        Get.to(
                          BeeImagePreview.path(path: model.imgUrls.first.url),
                          opaque: false,
                        );
                      },
                      child: Container(
                        clipBehavior: Clip.antiAlias,
                        decoration: BoxDecoration(
                          color: Colors.black12,
                          borderRadius: BorderRadius.circular(8.w),
                        ),
                        child: FadeInImage.assetNetwork(
                          placeholder: R.ASSETS_IMAGES_PLACEHOLDER_WEBP,
                          image: API.image(model.imgUrls.first.url),
                          width: 152.w,
                          height: 152.w,
                          fit: BoxFit.cover,
                        ),
                      ),
                    ),
              10.wb,
              model.title.text.make().expand(),
            ],
          ),
        ),
      ],
    );
  }
}